The weight of an object on the moon varies directly as its weight on earth. A person who weights 150.94lb on earth weighs 25.66l
b on the moon. How much would a 218.24lb person weigh on the moon?
1 answer:
109.93 lbs
since the quantities vary directly, then
w(moon) = kw(earth ) ← ( k is the constant of variation )
to find k use the given condition
k = w( moon ) / w( earth ) = 
given w(earth) = 218.24
w(moon) =
= 109.93
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